/*
* Copyright (c) Microsoft Corporation. All rights reserved.
* Copyright (c) 2023 Huawei Device Co., Ltd.
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
*     http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
* This file has been modified by Huawei to verify type inference by adding verification statements.
*/

// === tests/cases/compiler/discriminableUnionWithIntersectedMembers.ts ===
declare function AssertType(value:any, type:string):void;
// regression test for https://github.com/microsoft/TypeScript/issues/33243
type X = 
 | { x: 'x', y: number } & { y: number } 
 | { x: 'y', y: number, z?: boolean } & { y: number }

// error
const x: X = 4 as any as { x: 'x' | 'y', y: number };
AssertType(x, "X");
AssertType(4 as any as { x: 'x' | 'y', y: number }, "{ x: union; y: number; }");
AssertType(4 as any, "any");
AssertType(4, "int");
AssertType(x, "union");
AssertType(y, "number");

type Y = 
 | { x: 'x', y: number } 
 | { x: 'y', y: number, z?: boolean }

// no  error
const y: Y = 4 as any as { x: 'x' | 'y', y: number };
AssertType(y, "Y");
AssertType(4 as any as { x: 'x' | 'y', y: number }, "{ x: union; y: number; }");
AssertType(4 as any, "any");
AssertType(4, "int");
AssertType(x, "union");
AssertType(y, "number");


